23results about How to "Simple ingredients" patented technology

The invention discloses a process for preparing a V2O3 / ZnV2O3 total battery by simultaneously using vanadium oxide in a zinc ion battery as a positive electrode material and a negative electrode material, which comprises the following steps: reacting ammonium metavanadate with absolute ethyl alcohol by adopting a solvothermal synthesis method, washing, drying, and calcining in a tubular furnace to obtain V2O3; in the preparation process of the V2O3 positive electrode material, only V2O3, acetylene black serving as a conductive agent and PVDF serving as a binder are mixed in proportion and then are coated on graphite paper, other coating protection materials do not need to be introduced into a V2O3 / Zn negative electrode, and V2O3 is used as a protection layer to inhibit growth of zinc dendrites, relieve hydrogen evolution side reaction of the zinc negative electrode and reduce corrosion of zinc. Vanadium oxide V2O3 is directly used as a core positive electrode material, the zinc negative electrode coating is developed by utilizing the characteristics of the vanadium oxide V2O3, a material is formed, meanwhile, the performance optimization of the positive electrode and the negative electrode is realized, the used raw materials are simple and easy to obtain, the process is simple and easy to implement, and the preparation process is simple and easy to implement from V2O3 raw material synthesis to positive and negative electrode piece preparation to V2O3 / ZnV2O3 total battery assembly. And comprehensive improvement of positive and negative electrode performances of zinc ions is simultaneously realized by a single material.

The application provides a Bi2O2CO3-MIL-68(In) heterojunction composite material and a preparation method and application thereof, and belongs to the technical field of photocatalytic materials, the field of persulfate catalysis and the field of environmental governance. The composite material is obtained by loading Bi2O2CO3 on the surface of MIL-68(In) to form a Z-type heterojunction structure; the Bi2O2CO3 is a spherical body with a diameter of 200-500 nm, and the surface is a stacked granular structure; the MIL-68(In) is a regular hexahedral rhombic rod-shaped structure with a particle size of 5-10 mu m, and the Bi2O2CO3 is dispersedly loaded on the surface of the MIL-68(In). The application has the advantages of simple operation, strong visible light absorption capacity of the heterojunction material, stable photocatalytic performance, high degradation efficiency and the like, and has a potential application prospect in the field of photocatalytic persulfate.

The application relates to the technical field of sterilization and disinfection, in particular to a long-acting antibacterial composition for hard surfaces and application and use method thereof. The antibacterial composition is composed of a polymer precursor and a polymer base molecule in a molar ratio of 1:(100-200); the polymer precursor is obtained by modifying one or more of amino groups, hydroxyl groups, double bonds, siloxanes and isocyanate groups on the basis of a photodynamic molecule; the photodynamic organic molecule is one or more of porphyrin, metal porphyrin, dihydrogenophorin, phthalocyanine, fluorinated boron dipyrrin, pyrrolopyrrole diketone, cyanine dye, coumarin, benzophenone, isoazoline, riboflavin and ring metal complex and derivatives thereof. The application mainly realizes the long-acting antibacterial effect by depositing the photodynamic functional organic molecule on the hard surface and forming a stable coating structure, and the coating structure has very strong hardness.

This invention discloses a topologically oriented cyclodextrin / chitosan composite membrane, its preparation method, and its applications, belonging to the field of bio-based nanomaterials technology. Using α-cyclodextrin and polyethylene glycol (PEG) as raw materials, this invention prepares topologically oriented cyclodextrin-PEG "ring-slippery" nanoparticles (TNPs). TNPs, as green and biodegradable nanoparticles, fill the chitosan network matrix, enhancing hydrogen bonding interactions with chitosan molecules and improving the mechanical properties of the chitosan membrane. This method not only uses simple raw materials and is easy to implement, but also effectively improves the mechanical strength of the chitosan composite membrane, effectively overcoming the problem of poor mechanical strength in existing chitosan composite membranes, and providing a simple and effective approach for practical production.

The present application belongs to the technical field of virus prevention and control of plants, and particularly relates to a formula of an elicitor for Passiflora edulis EAPV and TeMV and an application method thereof. The elicitor is composed of sophoramine and ginsenoside Rh2, and the preferred concentration is 160 mg / L for each. The results of a pot experiment show that the virus content of TeMV and EAPV in Passiflora edulis plants is significantly lower than that of the water control, the virus index is 33.12, and the relative control effect reaches 65.57%, which is better than that of a commercial plant immune elicitor "A Tailing". In a field experiment, the preferred application method is adopted, i.e. spraying once at the seedling stage of 4-5 leaves and at the end of flowering and the beginning of fruiting, and the disease index at the harvest stage is 23.15, and the relative control effect reaches 72.30%, which is significantly better than that of "A Tailing", and the leaves of the treated plants are flat and smooth, and have few disease spots. The safety experiment shows that the concentration of 160 mg / L has no adverse effect on Passiflora edulis. The present application has simple components, easily available raw materials, low cost, simple operation, only two times of spraying, and has a good application prospect.

This invention belongs to the field of crystal material preparation technology, and particularly relates to a chiral heterometallic oxy-cluster material and its preparation method. The method includes the following steps: reacting a metal-organic cage with a chiral ligand and a heterometallic compound via a solvothermal reaction to obtain the chiral heterometallic oxy-cluster material; wherein the metal-organic cage is selected from at least one of PTC-101, PTC-101(Zr), and PTC-102(Hf), and the heterometal is selected from one or more of calcium, copper, and zinc. The preparation method of this invention is simple and can synthesize high-purity materials in large quantities.

This invention relates to a method for separating magnesium and lithium in salt lake brine and its application, relating to the field of efficient and clean utilization of salt lake resources and modern salt chemical technology. This separation method constructs a precise selective magnesium precipitation window, allowing magnesium to precipitate deeply in the form of carbonates, while lithium remains largely in solution, thereby achieving the separation and removal of magnesium from high-magnesium brine. The magnesium precipitate obtained through online solid-liquid separation has a consistently low Mg / Li mass ratio below 1.0 × 10⁻⁶. ‑2 Subsequently, the filtrate is efficiently crystallized and recovered from lithium carbonate via co-ion effect or concentrated pyrolysis at higher temperatures (T2 = 85–100 °C) and lower pCO2. This invention achieves a highly efficient closed-loop cycle of NH3 and CO2, and has the advantages of strong universality, high selectivity, low cost, and environmental friendliness.

This invention relates to the field of oilfield chemistry, and discloses an oil displacement composition and an oil displacement agent, as well as their applications. The oil displacement composition comprises component A and component B, wherein component A has the structure shown in Formula I, and component B has the structure shown in Formula II; wherein R1 is a C1-C8 alkanol or a C6-C8 aromatic alcohol; PO is a polyoxypropylene segment; EO is a polyoxyethylene segment; m = 1-30; n = 1-15; Y ‑ R1 is an acid radical ion; M is an alkali metal or alkaline earth metal; R2 is a C1-C8 alkyl group or a C6-C8 aryl group. The oil displacement agent prepared from the oil displacement composition of this invention can be used in chemical oil displacement. This oil displacement agent is an ultra-low interfacial tension spreading type oil displacement agent, with simple composition, good solubility, and cost advantage. R1-O-(PO) m -(EO) n -Y ‑ M + Formula I; R2-OH Formula II.

The application provides a method for long-term in-vitro culture and expansion of primary hepatocytes and application thereof. The method for in-vitro culture and expansion of primary hepatocytes comprises using a culture medium containing interleukin-22 (IL-22), combined with hepatocyte growth factor (HGF) and / or epidermal growth factor (EGF) to induce primary hepatocytes to prepare proliferative liver precursor cells. The application combines interleukin-22 (IL-22), hepatocyte growth factor (HGF) and / or epidermal growth factor (EGF) to induce in-vitro mass expansion of primary hepatocytes, and through the method, mature-like hepatocytes with a gene expression profile extremely similar to that of primary hepatocytes and perfect functions can be obtained, and the hepatocytes expanded by the method have good in-vivo therapeutic effects.

This application belongs to the field of battery technology and discloses a method for etching the copper seed layer of a copper-grid heterojunction solar cell, an etching solution, and its application. The etching solution consists of dilute sulfuric acid solution, ozone, and water, with the concentration of the dilute sulfuric acid solution being 0.6%-10% and the ozone concentration being 10-30 ppm. The solar cell containing the copper seed layer or the silicon wafer of a heterojunction solar cell containing an ITO film is completely immersed in the etching solution and etched at room temperature to remove the copper seed layer from the surface of the silicon wafer. The etching solution described in this technical solution is used to remove the copper seed layer in copper-grid heterojunction solar cells. It has a simple composition, and the waste liquid after etching is a copper sulfate solution with no harmful byproducts, making it environmentally friendly. The ozone is generated on-site from air or oxygen, and the sulfuric acid concentration is extremely low, reducing the cost of chemical solutions by more than 60% and resulting in extremely low overall operating costs. This system causes very little damage to transparent conductive films such as ITO and SnO2, and the sheet resistance and film thickness change rate can be controlled within 3%, ensuring the performance of the solar cell. Compared with other oxidant etching solutions, it avoids the etching capacity decay defects caused by oxidant decomposition.

The application belongs to the technical field of biological stimulants, and particularly discloses a composition containing phaeodactosan and a preparation method and application thereof. The composition containing phaeodactosan contains 0.08-0.12 g / L of phaeodactosan and 0.1-0.5 g / L of Lactobacillus pentosus extracellular polysaccharide, and the Lactobacillus pentosus extracellular polysaccharide is prepared by fermentation of Lactobacillus pentosus. The composition can effectively promote fruit color change and sweetness increase of crops.

The application belongs to the field of oil-water separation treatment, and specifically discloses an organic silicon modified dry paper for oil-water separation and a preparation method thereof, which comprises the following steps: mixing alkyl chain organosiloxane and cationic photoinitiator, uniformly stirring at room temperature in the dark to obtain a photosensitive organic silicon mixture; taking the prepared photosensitive organic silicon mixture, adding it into an airbrush, and uniformly spraying it on a dry paper to obtain the organic silicon modified dry paper for oil-water separation through photopolymerization. In the application, the organic polysiloxane obtained through hydrolysis and condensation has a three-dimensional network structure, excellent wear resistance and solvent resistance, and is combined with the good tensile strength and large pore size of the substrate dry fiber paper, so that the application has excellent oil-water separation performance and can be reused more than 50 times. The application has simple raw materials, low cost, degradable substrate, green environmental protection, simple preparation process, short time, no use of organic solvents, and small pollution. The reaction condition is easy to achieve, and the application is suitable for large-scale production and application.

This invention relates to the field of oilfield chemistry, and discloses a betaine compound, its preparation method, and its application. The betaine compound has the structure shown in Formula I: In Formula I, m = 1-30; n = 1-15; R1 is a C1-C8 carbon chain alcohol or a C6-C8 aromatic alcohol; R2 and R3 are each independently hydrogen or methyl; R4 is a C1-C3 alkylene or hydroxylated alkylene; M ‑ SO3 ‑ or COO ‑ The betaine compound contains a large number of PO groups, increasing the size of the hydrophobic groups. Betaine percolators containing this compound, through the synergistic effect of the PO groups and betaine molecules, transform the active components of crude oil into low-molecular-weight components (such as fatty acids), reducing the interfacial film strength of the betaine and thus improving the deformability of the emulsion. The betaine compound of this invention can be used as a betaine percolator for fracturing in low-permeability reservoirs, further improving oil recovery.

This application provides a composite board, a preparation method, and a carrier. The composite board includes silicon dioxide and elemental silicon particles dispersed in the silicon dioxide. In this application, dispersing elemental silicon particles in silicon dioxide can increase the structural hardness of the composite board, reduce its porosity, form a dense composite board, and improve its overall performance when used as a carrier. This not only enables the reuse of silicon waste but also alleviates the problem of insufficient production of high-purity quartz materials.

The application discloses a postoperative auxiliary comprehensive treatment system with spatiotemporal response and a preparation method and application thereof, and relates to the fields of biology and medicine and the technical field of pharmaceutical preparations. The system comprises a temperature-sensitive hydrogel matrix, an anti-inflammatory drug dispersed in the hydrogel matrix, and nanoparticles loaded with an immunomodulator and dispersed in the hydrogel matrix. In an embodiment of the application, a postoperative auxiliary treatment comprehensive system is successfully constructed, and curcumin and MPDA encapsulating R848 are simultaneously loaded in the gel support. The small molecule curcumin is preferentially released from the gel to play an anti-inflammatory role, and R848 needs to be gradually released from the mesopore of the MPDA and the gel, so that the immune microenvironment can be improved after the anti-inflammatory curcumin promotes wound healing.

This invention provides a biodegradable modified coating, a modified knot plugging agent for fracturing, and their preparation method, belonging to the field of tertiary oil recovery technology. Specifically, the dense cross-linked network structure generated by the Schiff base reaction between gelatin (GL) and glutaraldehyde (GD) serves as a coating material for the knot plugging agent, providing it with high strength and stability without sacrificing its biodegradability. Furthermore, by changing the reaction conditions (immersion time and curing time) during the preparation of the coated knot plugging agent, a series of knot plugging agents adaptable to different reservoir temperatures and degradation cycles can be obtained to meet the complex conditions in perforation cluster plugging processes, thus broadening its application range.

The application discloses a Bi2O2CO3 / MIL-68-NH2 composite material and a preparation method and application thereof, and belongs to the technical field of photocatalytic materials and the field of water environment treatment. The composite material is formed by loading Bi2O2CO3 on the surface of MIL-68-NH2 to form a heterojunction structure; the MIL-68-NH2 is a regular hexagonal rod-shaped crystal with a length of 10-20 microns; and the Bi2O2CO3 is a sphere with a diameter of 2-3 microns, and the surface is a carnation-shaped hierarchical stacking structure and is dispersed and loaded on the surface of the MIL-68-NH2. The composite material prepared by the application has the advantages of simple preparation method, strong visible light absorption capacity, stable catalytic performance, high degradation efficiency and the like, and has a potential application prospect in the field of water treatment.

This invention belongs to the field of alloy casting technology and relates to a lightweight, low-thermal-expansion, high-thermal-conductivity magnesium-copper alloy material. The magnesium-copper alloy material comprises, by weight percentage, the following components: Cu 25-30%, with the balance being Mg. This invention also discloses a method for preparing the magnesium alloy, including: alloy raw material batching and pretreatment, melting and alloying, settling and casting, and aging treatment to obtain the magnesium-copper alloy material. The magnesium-copper alloy material of this invention overcomes the problem in the prior art of simultaneously improving the strength, thermal conductivity, and dimensional stability of magnesium alloys, possessing high thermal conductivity, low coefficient of thermal expansion, and low density. It is particularly suitable for the preparation of material components requiring efficient heat dissipation, dimensional stability, and lightweight design, such as LED lighting heat dissipation substrates, high-power integrated circuit packaging and heat dissipation housings, satellite optical instrument brackets, and / or aerospace precision structural components, and has enormous application prospects.

The application discloses a kind of drug composition for pancreatic cancer liver metastasis under the background of metabolism-related fatty liver disease and preparation method and application thereof, the drug composition is with double-layer fat molecule spherical liposome as carrier, photosensitizer is loaded in the bilayer of liposome, chemotherapeutic drug gemcitabine is loaded in the cavity of liposome, gene therapy drug SiRNA CD44 is adsorbed on the surface of liposome.The GIR-Lip of the application can realize controllable killing and immune activation of tumor under laser irradiation, efficiently silence the high invasion and migration ability of CD44 tumor cells, combined with the first-line chemotherapeutic drug gemcitabine for pancreatic cancer, can ensure the combined effect, make up the drug resistance and curative effect loss caused by long-term use of gemcitabine.

The present application relates to a kind of synbiotic preparation, comprising: probiotic or its bacterial lysate, fermentation product, wherein probiotic is one or more selected from the following group: Bifidobacterium, Streptococcus, Lactobacillus, Saccharomycete, Escherichia coli;Prebiotic is one or more selected from the following group: breast milk oligosaccharide, fructo-oligosaccharide, inulin, lactulose, galacto-oligosaccharide, soybean oligosaccharide, resistant dextrin, xylo-oligosaccharide, isomalto-oligosaccharide, chitooligosaccharide;And wall material;The probiotic or its bacterial lysate, fermentation product is coupled with prebiotic, and wall material is wrapped in the coupling product.The synbiotic preparation of the application is simple, no chemical drug or antibiotic component is added, can repair damaged intestinal mucosal barrier, reduce intestinal permeability, regulate immune balance, optimize flora structure, so as to more effectively treat colitis.In addition, it is convenient to use, easy to promote in farm.

The application belongs to the field of engineering technology and provides a preparation method of a nucleic acid separation device. The preparation method of the application prepares a hydrogel nucleic acid adsorption device through a photo-initiated radical polymerization reaction, avoiding the cumbersome limitations of traditional polymerization reactions which need to be carried out under anaerobic conditions. The preparation method is simple and fast, and does not depend on professional and precise instruments. The raw materials are cheap and easy to obtain. The method can efficiently load silica particles, effectively combine the plasticity of the hydrogel with the high specific surface area of the silica particles and the strong binding capacity of the nucleic acid, and further obtain a handheld nucleic acid extraction device which can change shape, size and quantity at any time according to application requirements, has a high specific surface area and excellent nucleic acid extraction performance. Compared with traditional processes, the preparation process is simpler, the application range is wider, and the application requirements of low resource environment are greatly met, and the application prospect in the field of outdoor and clinical nucleic acid extraction technology is broad.

This invention provides a method and application for the simultaneous stabilization of arsenic and cadmium. The method includes the following steps: S1, providing arsenic-cadmium solid waste containing arsenic and cadmium; S2, mixing the arsenic-cadmium solid waste and a composite reagent in an acidic solution to obtain a reaction solution; the composite reagent includes ferrous sulfate and ferrous sulfide, with a mass ratio of ferrous sulfate to ferrous sulfide of 0.5–3:1; S3, performing solid-liquid separation on the reaction solution to obtain a stabilized arsenic-cadmium residue. This invention can achieve simultaneous stabilization of arsenic and cadmium in solid waste, and the leaching toxicity of the stabilized residue sample meets relevant leaching toxicity standards.

The application relates to a biological 3D printing cartilage-fiber-epithelium integrated tissue engineering trachea and a construction method and application thereof. First, cartilage specific biological ink is prepared by wrapping cartilage cells with cartilage tissue specific hydrogel; fiber specific biological ink is prepared by wrapping fibroblasts with fiber tissue specific hydrogel; epithelium specific biological ink is prepared by wrapping epithelial cells with matrix hydrogel; then, through a step-by-step assembly strategy, a C-shaped cartilage ring and a fiber ring are alternately printed and a ring-shaped tubular structure is formed by using a double-needle extrusion type biological 3D printing technology, and then a layer of epithelium specific biological ink is attached in the lumen to construct a tubular structure of cartilage-fiber-epithelium multi-tissue composite; it is verified that after being implanted subcutaneously in a naked mouse for 8 weeks, a relatively mature cartilage-vascularized fiber-epithelium tissue composite tissue engineering trachea can be regenerated, and a clinically transformable strategy is provided for the regeneration treatment of complex tracheal injury.